diff --git a/.gitignore b/.gitignore
index 922c398..530eff9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 .RData
 repr.pdf
 .ipynb_checkpoints/
+testthat-problems.rds
diff --git a/tests/testthat/test_repr_array_df.r b/tests/testthat/test_repr_array_df.r
index 2b075c8..51c327b 100644
--- a/tests/testthat/test_repr_array_df.r
+++ b/tests/testthat/test_repr_array_df.r
@@ -159,4 +159,6 @@ test_that('reprs work on an 1d array', {
 	succeed()
 })
 
-
+test_that('0×n matrices are supported', {
+	expect_no_warning(repr_text(matrix(nrow = 0, ncol = 100)))
+})